Min. Order Reference FOB Price
1 Piece US$6,000.00-9,000.00 / Piece
Product Description
Cyanide online automatic monitor This monitor is based on the vanillin-benzoic acid spectrophotometric method. Under a weakly acidic condition, cyanide in the water sample reacts with chloramine T to form chloroform cyanide, which then reacts with vanillin and is hydrolyzed to form pentanedial. ...